Home / 117,629.54-176,345.12-51,019.50

Finding the Fourth Proportional to 117,629.54, 176,345.12 and 51,019.50

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Solution

The fourth proportional to 117,629.54, 176,345.12 and 51,019.50 is: 76,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.54 : 176,345.12 = 51,019.50 : x
  2. Step 2: Convert to fraction form
    117,629.54/176,345.12 = 51,019.50/x
  3. Step 3: Cross multiply
    117,629.54x = 176,345.12 × 51,019.50
  4. Step 4: Simplify right side
    117,629.54x = 8,997,039,849.84
  5. Step 5: Solve for x
    x = 8,997,039,849.84/117,629.54
  6. Step 6: Final answer
    x = 76,486.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.